Figure 1 | Scientific Reports

Figure 1

From: Integrating metabolomics and targeted gene expression to uncover potential biomarkers of fungal/oomycetes-associated disease susceptibility in grapevine

Figure 1

Principal component analysis (PCA) and hierarchical clustering analysis (HCA) of untargeted metabolomics obtained in positive (ESI+) and negative (ESI−) ionization modes. (a,b) PCA score plots. Squares represent wild Vitis, while circles represent domesticated V. vinifera; (c,d) HCA dendrograms. Vitis genotypes abbreviations are indicated in Table 1. Variance explained by each principal component is indicated in parenthesis.

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